# Refill for Donau gel pen 7345910PL-01 — waterproof black ink

**URL:** https://aio.lv/en/product--donau-7345910pl-01--11874871
**Data updated:** 2026-03-09 20:39 (EET)
**Category:** Stationery Accessories
**Manufacturer:** Donau
**Manufacturer code:** 7345910PL-01
**EAN:** 9003106555970
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 8.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--donau-7345910pl-01--11874871

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Gel pen refill by Donau, model 7345910PL-01, with waterproof black ink. Designed as a replacement refill for compatible gel writing instruments, it provides secure, water-resistant writing suitable for documents, forms and everyday note-taking. Ideal where permanent legible marks are required and for use in offices, schools and fieldwork.

## Long description

Refill for Donau gel pen 7345910PL-01 — waterproof black ink is a replacement gel refill designed for compatible Donau gel writing instruments. It supplies consistent black, water-resistant ink that dries reliably to produce legible, permanent marks on paper. The refill is intended for applications where document durability and resistance to moisture are important, including office paperwork, school assignments and field documentation.
Advantages
The refill delivers smooth ink flow and uniform line density to minimize skipping and ensure consistent handwriting. Its waterproof black formula resists smearing and light exposure after drying, improving the longevity of written records. The refill format makes it easy to replace an exhausted cartridge, reducing waste compared with disposable whole pens and keeping the original pen body in use.
Suitable for
 Filling out official documents and forms that require water-resistant ink
 Everyday note-taking in offices and schools
 Fieldwork and inspections where exposure to moisture is possible
 Signing papers and producing archival notes that must remain legible
Key specifications
 Ink color: black (waterproof)
 Ink type: gel
 Line behavior: smooth flow with low skip tendency
 Drying: quick-drying formulation for reduced smearing
 Compatibility: designed for use in compatible Donau gel pen bodies
 Intended use: document writing, everyday notes, signatures
How to use
Remove the empty refill from the compatible Donau pen body following the manufacturer's standard procedure, then insert the new gel refill until it seats securely. Test the pen on scrap paper to confirm ink flow before writing on important documents. Allow a few seconds for the ink to dry after writing to ensure water resistance and prevent smudging.
Usage recommendations
Store refills capped and at room temperature to preserve ink consistency. When choosing a refill, verify physical compatibility with your pen model to ensure proper fit and reliable ink delivery. For archival records or documents exposed to moisture, allow sufficient drying time and avoid contact with liquids immediately after writing.

## FAQ

### How much does the Donau gel pen refill 7345910PL-01 cost, and is it available for purchase?

The price is 9.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Donau products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Donau service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11874871/67291026_large.webp